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<h1 class="topictitle1">配置DNS服务</h1>
<div><p>通过配置<span>OceanProtect</span>与DNS服务器连接后，<span>OceanProtect</span>可解析和访问外部域名地址。</p>
<div class="section"><h4 class="sectiontitle">前提条件</h4><ul><li>DNS服务器已配置完成，并且运行正常。</li><li><span>OceanProtect</span>与DNS服务器之间TCP/UDP协议53端口打开。</li></ul>
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<div class="section"><h4 class="sectiontitle">背景信息</h4><ul><li>DNS服务器用于解析和访问外部域名地址。</li><li>如果需要配置备用DNS服务器，请保持主备DNS服务器间域名配置一致。</li></ul>
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<div class="section"><h4 class="sectiontitle">操作步骤</h4><ol><li><span>选择<span class="uicontrol" id="ZH-CN_TOPIC_0000001897309002__zh-cn_topic_0000001839143213_zh-cn_topic_0000001311295305_zh-cn_topic_0000001149078659_uicontrol1098185683619">“<span id="ZH-CN_TOPIC_0000001897309002__zh-cn_topic_0000001839143213_text157651936143415">系统</span> &gt; <span id="ZH-CN_TOPIC_0000001897309002__zh-cn_topic_0000001839143213_text49601653123416">基础设施</span> &gt; <span id="ZH-CN_TOPIC_0000001897309002__zh-cn_topic_0000001839143213_text112401684352">集群管理</span>”</span>。</span></li><li><span>在<span class="uicontrol" id="ZH-CN_TOPIC_0000001897309002__zh-cn_topic_0000001839143213_uicontrol13691645105219">“<span id="ZH-CN_TOPIC_0000001897309002__zh-cn_topic_0000001839143213_text1763193125313">备份集群</span>”</span>页签的<span class="uicontrol" id="ZH-CN_TOPIC_0000001897309002__zh-cn_topic_0000001839143213_uicontrol1050641575312">“<span id="ZH-CN_TOPIC_0000001897309002__zh-cn_topic_0000001839143213_text133861121163513">本地集群节点</span>”</span>区域，单击节点名称。</span></li><li><span>在弹出的<span class="uicontrol" id="ZH-CN_TOPIC_0000001897309002__zh-cn_topic_0000001839143213_uicontrol1144724616332">“<span id="ZH-CN_TOPIC_0000001897309002__zh-cn_topic_0000001839143213_text51761646203516">节点详情</span>”</span>对话框中，单击<span class="uicontrol" id="ZH-CN_TOPIC_0000001897309002__zh-cn_topic_0000001839143213_uicontrol1544714611335">“<span id="ZH-CN_TOPIC_0000001897309002__zh-cn_topic_0000001839143213_text1624910583612">打开设备管理</span>”</span>，进入DeviceManager。</span></li><li><span>选择“设置 &gt; 基本信息 &gt; DNS服务”。</span></li><li><span>单击“管理平面DNS”区域右上角“修改”，设置管理平面DNS服务。</span></li><li><span>设置“主DNS IP地址”。</span><p><ol type="a"><li><strong>可选: </strong>设置“备DNS IP地址 1”。</li><li><strong>可选: </strong>设置“备DNS IP地址 2”。请先配置备DNS IP地址 1，再配置备DNS IP地址 2。</li><li><strong>可选: </strong>测试DNS服务器与存储系统连通性。<ul><li>对于所设置的每个DNS IP地址，可通过单击其对应的“测试”，来验证该DNS IP地址的可用性。</li><li>对于所设置的所有DNS IP地址，可通过单击“测试所有”，来验证存储系统与DNS服务器间的网络连通性。</li></ul>
</li><li>单击“保存”。</li></ol>
</p></li></ol>
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